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AMA Specifications—Passenger Car
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EXTERIOR WIDTH DIMENSIONS
W101 WHEEL TREAD - FRONT. Measured at canlarlina of
tires,
with nominal camber, at ground.
W102 WHEEL TREAD - REAR. Measured at eantarlina of
tiras at ground.
W103 MAXIMUM OVERALL CAR WIDTH. Include bumpers,
moldings, or sheet metal protrusions. Measured to out-
side of metal.
W117 MAXIMUM BODY WIDTH AT «2 PILLAR. Measured
across body at#2 pillar,excluding hardware and applied
moldings.
EXTERIOR LENGTH DIMENSIONS
L 30 VERTICAL ZERO LINE TO ACTUAL FRONT OF
DASH.
If actual Front of Dash is to the rear of Body
. . Zero Line, it is identified by a minus (-) sign.
L101 WHEELBASE.
L103 OVERALL LENGTH. Include bumper guards if standard
equipment.
L104 OVERHANG - FRONT. Measured from C/L of front
wheels to front of car, including bumper guards if
standard equipment.
L10S OVERHANG-REAR. Measured from C/L of rear wheels
to rear of car, including bumper guards if standard
equipment.
L123 BODY UPPER STRUCTURE LENGTH AT CAR
CENTERLINE. The horizontal dimansion from the Cowl
Point to the Deck Point.
L127 VERTICAL ZERO LINE TO CENTERLINE OF REAR
WHEELS. A horizontal dimension.
LI30 VERTICAL ZERO LINE TO WINDSHIELD COWL
POINT. The horizontal dimension from the vertical
zero line to the theoretical intersection of extended
windshield glass plane and normal cowl surface.
EXTERIOR HEIGHT DIMENSIONS
HI01 OVERALL HEIGHT - DESIGN. Measured with the
vehicle in Manufacturer's Design Weight attitude.
HI 14 COWL POINT TO GROUND. Measured at vehicle
H138 DECK POINT TO GROUND. Measured at vehicle
centerline.
HI 12 ROCKER PANEL TO GROUND - FRONT. The vertical
dimension from ground to bottom of rocker panel, exclud-
ing flanges. Measured to the outside of sheet metal at
foremost point of rocker panel.
Hill ROCKER PANEL TO GROUND - REAR. The vertical
dimension from ground to bottom of rocker panel, ex-
cluding flanges. Measured to the outside of sheet metol
at front of rear wheel opening.
H122 WINDSHIELD SLOPE ANGLE. The angle between o
vertical line and the windshield surface at ear center-
line.
On compound-curved windshields the chord of the
arc is used and limited to that section of the windshield
comprehended by an 18-inch chord.
GROUND CLEARANCE DIMENSIONS
H102 BUMPER TO GROUND - FRONT. Minimum dimension,
includes bumper guards.
H104 BUMPER TO GROUND - REAR. Minimum dimension,
includes bumper guords.
H106 ANGLE OF APPROACH. The angle between ground
and a line tangent to the front tire static loaded radius
arc and the first point of interference, i.e., bumper,
guard,
gravel deflector, fender or other component, ex-
cluding license plate. This dimension may be deter-
mined graphically for reporting purposes.
H107 ANGLE OF DEPARTURE. The angle between ground
and a line tangent to the rear tire static loaded radius
arc and the first point of interference, i.e., bumper,
guard,
gravel deflector, tail pipe, fender or other
component, excluding license plate. This dimension
may be determined graphically for reporting purposes.
H147 RAMP BREAKOVER ANGLE. The supplement of in-
cluded ramp angle (ISO* minus included ramp angle)
over which cor can pass without interference; meosured
with car sitting on a 4evel surface, using lines tangent
to arcs of front and rear stotic looded radii and inter*
secting at point on underside of car which defines the
smallest angle.
H1S6 MINIMUM RUNNING GROUND CLEARANCE. Location
of measurement on the car is to be clearly recorded.
FRONT COMPARTMENT DIMENSIONS
H 61 EFFECTIVE HEAD ROOM - FRONT. The dimension
from H Point to the headlining, plus •' constant of 4.0
inches,
measured along a line 8" to rear of vertical.
L 34 MAXIMUM EFFECTIVE LEG ROOM-ACCELERATOR.
Measured along o diagonal line from the Manikin onkle
pivot center to the n Point plus J constant of 10.0
inches.
For treadle type accelerator pedals, the leg
room is measured with the Manikin s right toot on the
accelerator pedal and the Monikin Heel Point at Accel-
erator Heel Point. All other types of accelerator pedals
will be meosured with the Manikin foot angle set of 87*
and the shoe touching the pedal.
H 30 H POINT TO HEEL POINT - FRONT. The vertical
dimension from the H Point to the Accelerator Heel
Point.
L 17 H POINT TRAVEL. The horizontal dimension between
the H Point in the mast forward and rearward seat
CAR AND BODY DIMENSIONS
KEY SHEET
DIMENSION DEFINITIONS
FRONT COMPARTMENT DIMENSIONS (Cant.)
W 3
W 5
H SO
63
L SI
H 31
SHOULDER ROOM - FRONT. Th* minimum lateral
dimensions between th* doer garnish moldings or near-
est interference, measured at fh* H Point station.
HIP ROOM - FRONT. Th* lateral dimension through
th*
n Point to trimmed body surfaces. Depress loos*
side wall cloth to trim foundation or other obstruc-
tion if such construction exists.
UPPER BODY OPENING TO GROUND - FRONT. Th*
vertical dimension from a point on th* trimmed body
opening to the ground, measured at th* H Point station.
REAR COMPARTMENT DIMENSIONS
L 50 H POINT COUPLE DISTANCE. Th* horizontal dimen-
sion from th* front seatH Point to th* rear seat H Point.
EFFECTIVE HEAD ROOM - REAR. The dimension
from th* H Point to th* headlining, plus a constant of
4.0 inches, measured along a
tin*
8* to rear of vortical.
MINIMUM EFFECTIVE LEG ROOM - REAR. Meosured
along a diagonal line from the ankle pivot center to the
H Paint plus a constant of 10.0 inches, with the foot
positioned to the nearest interference between the
seat structure and toe, instep or lower lea.
H POINT TO HEEL POINT - REAR? The vertical
dimension from the H Point to the Manikin Heel Point
on the depressed floor covering.
L 48 MINIMUM KNEE ROOM - REAR. The minimum dimen-
sion from the Manikin knee pivot center to the back of
the front seat back.
L 3 REAR COMPARTMENT ROOM. The horizontal dimen-
sion from the bock of front seat to front of rear seat
back at height tangent to the top of rear seat cushion.
W 4 SHOULDER ROOM - REAR. The minimum lateral
dimension between the door garnish molding or nearest
interference. Measured at H Point station.
W 6 HIP ROOM - REAR. The lateral dimension through
H Point to trimmed body surfaces. Depress loose side
wall cloth to trim foundation or other obstruction when
such construction exists.
H 51 UPPER BODY OPENING TO GROUND - REAR. The
vertical dimension from a point on the trimmed body
opening to the ground, measured 13.0 inches forward of
the H Point..
LUGGAGE COMPARTMENT DIMENSIONS
V 1 LUGGAGE CAPACITY - USABLE. The total luggage
compartment luggage capacity in cubic feet with the
tire and tools in place.
H195 LIFTOVER HEIGHT. Vertical dimension from the high-
est point on the luggage comportment lower opening to
ground,
excluding corner radii.
STATION WAGON - THIRD SEAT DIMENSIONS
W 85 SHOULDER ROOM - THIRD SEAT. The minimum
lateral dimension between the door garnish moldings or
nearest interference. Measured at H Point station.
W 86 HIP ROOM - THIRD SEAT. The lateral dimension
through H Point to trimmed surfaces.
L 86 EFFECTIVE LEG ROOM - THIRD SEAT. Measured
along a diagonal line from ankle pivot center to H Point
plus a constant of 10.0 inches. With rear-facing third
seat, foot is positioned in foot well or to nearest inter-
ference with rear end or rear closure.
H 86 EFFECTIVE HEAD ROOM - THIRD SEAT. The dimen-
sion from H Point to the headlining, plus a constant of
4.0 inches. Measured along a line 8* to rear of verticol.
STATION WAGON - CARGO SPACE DIMENSIONS
L202 CARGO LENGTH AT FLOOR - FRONT SEAT. The
horizontal dimension, measured at th* floor level from
the rear of the front seat back to th* normal inside
limiting interference on the tailgate, on th* car center-
L204 CARGO LENGTH *.T BELT - FRONT SEAT. The
horizontal dimansion meosured from the top rear of front
seat back to a vertical extension line from the normal
•nside limiting interference at th* top of th* tailgate,
on the car centerline.
W201 CARGO WIDTH-WHEELHOUSE. The minimum horizon-
tal dimension, measured between wheelhousings at
floor level.
W204 OPENING WIDTH AT BELT. Th* minimum horizontal
dimansion, meosured between the nearest normal inside
limiting interferences of the rear opening at the top of
the tailgate.
H201 MAXIMUM CARGO HEIGHT. Th* maximum vortical
dimansion, meosured from the top of th* floor covering
to the headlining, on the car centerline.
H202 REAR OPENING HEIGHT. Th* verticol dimension
meosured from th* top of th* floor covering to the
normal inside limiting interference at th* tap of the rear
opening,
on th* ear centerline, with both toil-ond lift-
gates fully open. _ _
V 2 CARGO VOLUME INDEX BEHINO FRONT SEAT. The
total velum* in cubic feet above th* normal load floor
and behind th* front seat with th* liftgot* and tailgate
closed.
W4«L204«H201
179«
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